quick update discovered the dynamic absorbers are freely rotating!two things has anyone changed the rears on a ztt only i am wondering if there is a spacer or washer under the head of the bolt?and no i have not missed any out please bare in mind my car has had the originals removed in the past so if their is somethink missing i will not be aware of it.and lastly what is the correct torq for the bottom bolts any help greatly received